var express = require('express');
var path = require('path');
//引入第三方包
var cookieParser = require('cookie-parser');
var cookieSession = require('cookie-session');
var cors = require('cors');
var logger = require('morgan');

var indexRouter = require('./routes/index');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

//定义中间件
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(cookieSession({
  name:"aaa",
  keys:["fjds","反倒是看风景","fsdfjkdskflsd"],
  maxAge:1000*60*60*24
}));
app.use(cors());
app.use(express.static(path.join(__dirname, 'public')));

app.use(indexRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  res.send("404")
});

// error handler
app.use(function(err, req, res, next) {
  res.send("500")
});

module.exports = app;
